Which of the following lists of ordered pairs is a function? a. (2, 4), (0, 2), (2, -4), (5, 3) b. (1, 2), (1, -2), (3, 2), (3, 4) c. (0, 2), (2, 3), (0, -2), (4, 1) d. (1, 6), (2, 7), (4, 9), (0, 5)

answer is x<

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: